Windows/OS X: Cubby is a new cloud syncing service with one major difference from its competition: It doesn't have any storage limits when you're syncing from computer to computer.

Cubby, from the makers of your favorite remote desktop service, LogMeIn, is a file-syncing service just like Dropbox, Google Drive, SkyDrive, and other cloud storage services out there, but it has two major differences that set it apart:

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You can sync any folder—not just your main "cubby" folder—to the cloud and your other machines. Just right-click any folder and tell it to sync with Cubby. No symlinks, checkbox menus, or other tweaks necessary.

You get 5GB of storage in the cloud (that is, accessible from your browser), but you can sync an unlimited amount of data between your computers. That means if you want to sync your giant iTunes library, for example, you can do so without paying a cent.

This alone makes Cubby an extremely attractive Dropbox alternative, especially since it also includes many of the other features that make Dropbox great—like revision history, recovery of deleted files, iPhone and Android apps, and collaboration with others on certain "cubbies". Of course, there's no reason you can't use both, either—Dropbox for all your cloud syncing needs, and Cubby for your computer-to-computer needs.

Cubby is invite-only right now, but the first 2,000 Lifehacker readers to click the link below and sign up get instant access without having to wait. So grab your invite before they're all gone!